– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 am Sun 05 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Sun 05 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Sun 05 Jul Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummarySome drizzle, heaviest during Tue night. Warm (max 26°C on Mon afternoon, min 13°C on Tue night). Wind will be generally light. | Days 4–6 Weather SummaryLight rain (total 6mm), mostly falling on Wed morning. Very mild (max 18°C on Thu afternoon, min 9°C on Wed night). Wind will be generally light. | |||||||||||||||||
Sunday 5 | Monday 6 | Tuesday 7 | Wednesday 8 | Thursday 9 | Friday 10 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | | |  | |  |  | |  | | |  |  | | | |
clear | clear | clear | clear | clear | clear | some clouds | some clouds | light rain | rain shwrs | rain shwrs | rain shwrs | clear | clear | some clouds | cloudy | rain shwrs | rain shwrs | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | 1.4 | 4 | 1.4 | 0.2 | — | — | — | — | 0.2 | 0.3 |
max °C | 17 | 22 | 19 | 22 | 26 | 21 | 20 | 21 | 17 | 13 | 15 | 14 | 14 | 18 | 16 | 16 | 18 | 16 |
min °C | 14 | 21 | 15 | 19 | 25 | 15 | 17 | 20 | 13 | 13 | 15 | 9 | 10 | 17 | 13 | 14 | 18 | 11 |
chill °C | 14 | 21 | 15 | 19 | 25 | 15 | 17 | 20 | 13 | 13 | 15 | 9 | 10 | 17 | 13 | 14 | 18 | 11 |
Freezing level m | 3400 | 3850 | 4050 | 3950 | 4000 | 3900 | 3700 | 3500 | 3000 | 2850 | 2850 | 2800 | 2800 | 2950 | 3000 | 3200 | 3050 | 3350 |
Cloud base (m) | 6250 | 6950 | 6200 | 1900 | 600 | 650 | 1650 | 2750 | 2200 | 1650 | 1850 | 1950 | ||||||
 | 5:11 | — | — | 5:11 | — | — | 5:13 | — | — | 5:13 | — | — | 5:15 | — | — | 5:15 | — | — |
 | — | — | 9:12 | — | — | 9:12 | — | — | 9:10 | — | — | 9:10 | — | — | 9:09 | — | — | 9:09 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Some drizzle, heaviest during Tue night. Warm (max 26°C on Mon afternoon, min 13°C on Tue night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Light rain (total 6mm), mostly falling on Wed morning. Very mild (max 18°C on Thu afternoon, min 9°C on Wed night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.